(2001). The National Map: Topographic mapping for the 21st century : final report. Cooperative Topographic Mapping Program, U.S. Geological Survey.
Chicago Style (17th ed.) CitationThe National Map: Topographic Mapping for the 21st Century : Final Report. Reston, VA: Cooperative Topographic Mapping Program, U.S. Geological Survey, 2001.
MLA (9th ed.) CitationThe National Map: Topographic Mapping for the 21st Century : Final Report. Cooperative Topographic Mapping Program, U.S. Geological Survey, 2001.
Warning: These citations may not always be 100% accurate.